No tools. No tricks. No brute force. Just your hands—and your patience.

From renowned puzzle designer Felix Ure comes one of the most deceptively simple yet fiendishly difficult mechanical puzzles ever created.

Precision-machined from solid brass, the sphere measures two inches in diameter and weighs over a full pound. Equal parts desk sculpture, conversation piece, and mind-bending challenge, it’s an object that invites curiosity and rewards persistence.

• Designed by renowned puzzle maker Felix Ure
• No tools, tricks, or force required
• Precision-machined from solid brass
• Functions as a mechanical puzzle, desk sculpture, and conversation piece
• Challenging, elegant, and engineered to last a lifetime
• Designed and manufactured in the United Kingdom

Dimensions: 2" diameter

Weight: 1.2 lbs